CheckEventsProcessor.java

/*******************************************************************************
 * Copyright (c) 2004, 2009 Red Hat, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Keith Seitz <keiths@redhat.com> - initial API and implementation
 *    Kent Sebastian <ksebasti@redhat.com>
 *******************************************************************************/
package org.eclipse.linuxtools.internal.oprofile.core.opxml.checkevent;

import org.eclipse.linuxtools.internal.oprofile.core.opxml.XMLProcessor;

/**
 * XML handler class for opxml's "check-events".
 * @see org.eclipse.linuxtools.internal.oprofile.core.opxml.OpxmlRunner
 */
public class CheckEventsProcessor extends XMLProcessor {
    public static final int INVALID_UNKNOWN = 0;    //unexpected error
    public static final int EVENT_OK = 1;            //valid
    public static final int INVALID_UMASK = 3;        //invalid unit mask value
    public static final int INVALID_COUNTER = 4;    //invalid event for given counter number

    private static final String RESULT_TAG = "result"; //$NON-NLS-1$
    private static final String CHECK_EVENTS_TAG ="check-events"; //$NON-NLS-1$

    private static final String EVENT_OK_STR = "ok"; //$NON-NLS-1$
    private static final String INVALID_UMASK_STR = "invalid-um"; //$NON-NLS-1$
    private static final String INVALID_COUNTER_STR = "invalid-counter"; //$NON-NLS-1$

    private int result;

    @Override
    public void reset(Object callData) {
        result = INVALID_UNKNOWN;
    }

    @Override
    public void endElement(String name, Object callData) {
        if (name.equals(RESULT_TAG)) {
            if (characters.equals(EVENT_OK_STR)) {
                result = EVENT_OK;
            } else if (characters.equals(INVALID_UMASK_STR)) {
                result = INVALID_UMASK;
            } else if (characters.equals(INVALID_COUNTER_STR)) {
                result = INVALID_COUNTER;
            }
        } else if (name.equals(CHECK_EVENTS_TAG)) {
            int[] r = (int[]) callData;
            r[0] = result;
        }
    }
}